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CC491K Bronze vs. S43940 Stainless Steel

CC491K bronze belongs to the copper alloys classification, while S43940 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CC491K bronze and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
160
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 13
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 260
490
Tensile Strength: Yield (Proof), MPa 120
280

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 160
890
Melting Completion (Liquidus), °C 980
1440
Melting Onset (Solidus), °C 900
1400
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 71
25
Thermal Expansion, µm/m-K 19
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 15
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.6
Embodied Energy, MJ/kg 51
38
Embodied Water, L/kg 350
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
86
Resilience: Unit (Modulus of Resilience), kJ/m3 67
200
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.1
18
Strength to Weight: Bending, points 10
18
Thermal Diffusivity, mm2/s 22
6.8
Thermal Shock Resistance, points 9.3
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 81 to 87
0
Iron (Fe), % 0 to 0.3
78.2 to 82.1
Lead (Pb), % 4.0 to 6.0
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 2.0
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.1
0 to 0.040
Silicon (Si), % 0 to 0.010
0 to 1.0
Sulfur (S), % 0 to 0.1
0 to 0.015
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 4.0 to 6.0
0